| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For PRTA | |||||
| 2026-09-29 | Scully, William P | 10% Owner | Purchased | 162000 | $8.68 |
| 2026-09-28 | Scully, William P | 10% Owner | Purchased | 103500 | $8.60 |
| 2026-09-18 | Scully, William P | 10% Owner | Purchased | 100000 | $8.43 |
| 2026-09-02 | Scully, William P | 10% Owner | Purchased | 27000 | $9.47 |
| 2026-08-20 | Scully, William P | 10% Owner | Purchased | 50000 | $8.79 |
| 2026-08-18 | Scully, William P | 10% Owner | Sold | 627553 | $0.00 |
| 2026-08-17 | Scully, William P | 10% Owner | Purchased | 336000 | $0.00 |
| 2026-08-10 | Scully, William P | 10% Owner | Purchased | 251553 | $0.00 |
| 2026-08-07 | Scully, William P | 10% Owner | Purchased | 34000 | $8.62 |
| 2026-08-07 | Scully, William P | 10% Owner | Purchased | 3500 | $8.62 |
| 2026-07-29 | Isaacs, Michael John | General Counsel & Company Sec. | Sold | 8386 | $8.47 |
| 2026-07-29 | Kingston, Anne Evans | Chief Strategy Officer | Sold | 7662 | $8.47 |
| 2026-07-28 | Swanson, Chad J. | Chief Development Officer | Sold | 51000 | $0.00 |
| 2026-07-28 | Zago, Wagner M. | Chief Scientific Officer | Sold | 51000 | $8.56 |
| 2026-07-28 | Zago, Wagner M. | Chief Scientific Officer | Sold | 51000 | $0.00 |
| 2026-07-28 | Walker, Karin L | Chief Accounting Officer | Purchased | 15000 | $0.00 |
| 2026-07-28 | Swanson, Chad J. | Chief Development Officer | Sold | 3467 | $8.56 |
| 2026-07-28 | Walker, Karin L | Chief Accounting Officer | Sold | 15000 | $8.56 |
| 2026-07-28 | Walker, Karin L | Chief Accounting Officer | Sold | 15000 | $0.00 |
| 2026-07-28 | Swanson, Chad J. | Chief Development Officer | Purchased | 51000 | $0.00 |